Carlo has a mass of 42 kg. He climbs 8 m to the top of a climbing frame. Work out how much gravitational potential energy Carlo gains. The gravitational field strength on Earth is 9.8 N/kg.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Select the correct lewis structure for fluorine which is group 7a element?

Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.